MESON Chess Problem Database

Problem Display
PID: 15440 (3r3q/1pB1pn1p/8/4R1p1/1K1k1p2/R2B1prn/3N4/6Nb w - - 0 1)

Kunzelmann, Jens

1st Prize, 2. East German Championship, 1984

3r3q/1pB1pn1p/8/4R1p1/1K1k1p2/R2B1prn/3N4/6Nb

#2

7 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Rg2
      • 2.Sgxf3#
      • 2.Sdxf3#
    • 1...Rd5
      • 2.Re4#
    • 1...f2
      • 2.Se2#
  • Tries
    • 1.Sdxf3+?
      • 1...Rxf3
        • 2.Se2#
      • 1...Bxf3!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Sb3#
        • 2.Rd3#
        • 2.Re4#
      • 1...Qxe5
        • 2.Rd3#
      • 1...Sxe5
        • 2.Bb6#
      • 1...Rd6
        • 2.Re4#
      • 1...Sd6
        • 2.Rd5#
      • 1...Sf2
        • 2.Sb3#
      • 1...f2
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(l);SBLOCK::R1(F)
    • P(b);N_GUARD::S(A)
  • Tries
    • Try
      • S(B);CHECK,XP(b)
      • Vars
        • R(c);XS(B)::S(A)
      • Refutation
        • B(a);XS(B)
  • Actual
    • B(D);
    • Threat
      • DUALS(3)
    • Vars
      • Q(m);XR(F)::R1(C)
      • S(j);SBLOCK,XR(F)::B(G)
      • R(l);::R1(F)
      • S(j);S_CUTR(l)::R1(F)
      • S(d);::S(B)
      • P(b);N_GUARD::S(A)
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